[v4,01/11] gro: use rte_pktmbuf_mtod_offset
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Commit Message
Replace explicit packet offset computations with rte_pktmbuf_mtod_offset().
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
lib/gro/gro_tcp.h | 4 ++--
lib/gro/gro_tcp4.c | 4 ++--
lib/gro/gro_tcp6.c | 4 ++--
lib/gro/gro_udp4.c | 4 ++--
lib/gro/gro_vxlan_tcp4.c | 4 ++--
lib/gro/gro_vxlan_udp4.c | 4 ++--
6 files changed, 12 insertions(+), 12 deletions(-)
@@ -150,8 +150,8 @@ check_seq_option(struct gro_tcp_item *item,
struct rte_tcp_hdr *tcph_orig;
uint16_t len, tcp_hl_orig;
- iph_orig = (char *)(rte_pktmbuf_mtod(pkt_orig, char *) +
- l2_offset + pkt_orig->l2_len);
+ iph_orig = rte_pktmbuf_mtod_offset(pkt_orig, char *,
+ l2_offset + pkt_orig->l2_len);
tcph_orig = (struct rte_tcp_hdr *)(iph_orig + pkt_orig->l3_len);
tcp_hl_orig = pkt_orig->l4_len;
@@ -223,8 +223,8 @@ update_header(struct gro_tcp_item *item)
struct rte_ipv4_hdr *ipv4_hdr;
struct rte_mbuf *pkt = item->firstseg;
- ipv4_hdr = (struct rte_ipv4_hdr *)(rte_pktmbuf_mtod(pkt, char *) +
- pkt->l2_len);
+ ipv4_hdr = rte_pktmbuf_mtod_offset(pkt, struct rte_ipv4_hdr *,
+ pkt->l2_len);
ipv4_hdr->total_length = rte_cpu_to_be_16(pkt->pkt_len -
pkt->l2_len);
}
@@ -118,8 +118,8 @@ update_header(struct gro_tcp_item *item)
struct rte_ipv6_hdr *ipv6_hdr;
struct rte_mbuf *pkt = item->firstseg;
- ipv6_hdr = (struct rte_ipv6_hdr *)(rte_pktmbuf_mtod(pkt, char *) +
- pkt->l2_len);
+ ipv6_hdr = rte_pktmbuf_mtod_offset(pkt, struct rte_ipv6_hdr *,
+ pkt->l2_len);
ipv6_hdr->payload_len = rte_cpu_to_be_16(pkt->pkt_len -
pkt->l2_len - pkt->l3_len);
}
@@ -179,8 +179,8 @@ update_header(struct gro_udp4_item *item)
struct rte_mbuf *pkt = item->firstseg;
uint16_t frag_offset;
- ipv4_hdr = (struct rte_ipv4_hdr *)(rte_pktmbuf_mtod(pkt, char *) +
- pkt->l2_len);
+ ipv4_hdr = rte_pktmbuf_mtod_offset(pkt, struct rte_ipv4_hdr *,
+ pkt->l2_len);
ipv4_hdr->total_length = rte_cpu_to_be_16(pkt->pkt_len -
pkt->l2_len);
@@ -263,8 +263,8 @@ update_vxlan_header(struct gro_vxlan_tcp4_item *item)
/* Update the outer IPv4 header. */
len = pkt->pkt_len - pkt->outer_l2_len;
- ipv4_hdr = (struct rte_ipv4_hdr *)(rte_pktmbuf_mtod(pkt, char *) +
- pkt->outer_l2_len);
+ ipv4_hdr = rte_pktmbuf_mtod_offset(pkt, struct rte_ipv4_hdr *,
+ pkt->outer_l2_len);
ipv4_hdr->total_length = rte_cpu_to_be_16(len);
/* Update the outer UDP header. */
@@ -259,8 +259,8 @@ update_vxlan_header(struct gro_vxlan_udp4_item *item)
/* Update the outer IPv4 header. */
len = pkt->pkt_len - pkt->outer_l2_len;
- ipv4_hdr = (struct rte_ipv4_hdr *)(rte_pktmbuf_mtod(pkt, char *) +
- pkt->outer_l2_len);
+ ipv4_hdr = rte_pktmbuf_mtod_offset(pkt, struct rte_ipv4_hdr *,
+ pkt->outer_l2_len);
ipv4_hdr->total_length = rte_cpu_to_be_16(len);
/* Update the outer UDP header. */